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RESEARCH OF OVERBURDEN ROCKS GEOLOGICAL PARAMETERS IMPACT TO THE EXCAVATORS CUTTING BODIES ABRASION IN THE MOST BASIN CONDITIONS

Michal Řehoř, Vlastimil Moni, František Helebrant

Abstract

The Brown Coal Research Institute started the solving of the research project based on the optimisation of the shape and material of ground and mining machines in 2018. This research is necessary for increasing of efficiency of mining process in conditions of the Most Basin. The very important part of the research was the geological characteristic of the Most Basin main mining localities. Evaluation of the geological situation of the Bilina, Vrsany and Libous mines (mining of the overburden rocks in the CSA mine finished) is the first stage of the solving of the project described in this article. The occurrence of sandy strata and the parameters of hard rocks are the most important parameters. The Brown Coal Research Institute is working in the field of overburden rocks parameters lots of years. It was gained much information about overburden rocks, hard rocks and sands during long term sampling and laboratory works. The most important used laboratory analyses were the content of crystalline quartz, content of siderite, content of calcite and compressive strength. The location of the overburden cuts with similar mining conditions in different mining localities, very important for need of future research, is described in the end of this article.

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DOI resolver: doi.org/10.5593/sgem2020/1.2/s03.032

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